<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
</head>
<body>
<div id="app">
    <h1>您选择的商品是{{value}}元</h1>
    <el-select v-model="value" placeholder="请选择">
        <el-option v-for="(item,i) in arr"
                   :value="item.price"
                   :label="item.title"
                   :key="i"
        ></el-option>
    </el-select>
</div>
</body>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function() {
            return {
                arr:[{title:"电视机",price:3000},
                    {title:"洗衣机",price:2000},
                    {title:"收音机",price:100}],
                value:""
            }
        },
        methods: {

        },
    })
</script>
</html>